# MarginAccount

Interface for interacting with a margin account smart contract.

## Quick Reference

```rust
// Initialize
let margin_account = MarginAccount::new("main", "0x1234...", provider)?;

// Deposit
let tx = margin_account.deposit(&user_address, &token, &amount).await?;

// Withdraw
let tx = margin_account.withdraw(&token, &amount).await?;

// Check Balance
let balance = margin_account.get_balance(&user_address, &token).await?;
```

## Methods

### `new(name: &str, address: &str, provider: P) -> Result<Self, Error>`
Creates a new margin account instance.

### `deposit(&self, user: &Address, token: &Token<T, P>, amount: &U256) -> Result<FixedBytes<32>, MarginAccountError>`
Deposits tokens into margin account. Checks balance and allowance before deposit.

### `withdraw(&self, token: &Token<T, P>, amount: &U256) -> Result<FixedBytes<32>, MarginAccountError>`
Withdraws tokens from margin account.

### `get_balance(&self, user: &Address, token: &Token<T, P>) -> Result<U256, Error>`
Returns user's token balance in margin account.

## Error Types
- `DepositError`
- `WithdrawError`
- `InsufficiantBalance`
- `TransactionError`
- `TxBuildError`